LeBron James went on the defensive Wednesday after a snippet promoting his talk show “The Shop” left viewers with the impression that in his opinion WNBA star Brittney Griner might be rethinking her country’s commitment to her while she sits in a Russian prison. “My comments on ‘The Shop’ regarding Brittney Griner wasn’t knocking our beautiful country,” the NBA star tweeted Tuesday night. “I was simply saying how she’s probably feeling emotionally along with so many other emotions, thoughts, etc. inside that cage she’s been in for over 100+ days!” The show clip that generated the controversy r…